the digestive system. function to break down foods into molecules small enough to be transported to...
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![Page 1: The Digestive System. Function To break down foods into molecules small enough to be transported to and absorbed by cells (for cellular respiration!)](https://reader030.vdocument.in/reader030/viewer/2022032707/56649e235503460f94b10cbe/html5/thumbnails/1.jpg)
The Digestive System
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FunctionTo break down foods into molecules small
enough to be transported to and absorbed by cells (for cellular respiration!).
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NoteworthyMechanical Digestion vs. Chemical Digestion
Ex: stomachacid
Ex: chewing
Ex: saliva
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Noteworthy:Path of food:1. Mouth2. Esophagus3. Stomach4. Small Intestine5. Large Intestine6. Rectum7. Anus
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Major Organs/Key PlayersEsophagus: Lined with smooth (involuntary) muscle to help send food to stomach. Wave like muscle contractions are called peristalsis.
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Major Organs/Key PlayersThe Small Intestine:Absorbing nutrients
Villi: folds that increase surface area
for absorption
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Major Organs/Key PlayersThe Large Intestine:Absorbing water
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Major Organs/Key Playersaccessory organs help with digestion by releasing digestive enzymes and/or hormones. - Salivary glands- Pancreas- Liver- Gall bladder
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DiseasesDiarrhea
Cause: -bacteria-parasite-virus
Effect: Too much waterin stool; dehydration
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DiseasesHeartburn
Cause: Acid in stomach goes intoesophagusEffect: Burningfeeling inchest
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Brain Pop
• Appendix• Digestive System